# infinite series

Mathematics takes to the stage with

*A disappearing number*, a work by Complicite, inspired by the mathematical collaboration of Hardy and Ramanujan.**Rachel Thomas**went to see the play, and explains some of the maths. You can also read her interview with Victoria Gould about how the show was created.Leonhard Euler was one of the most prolific mathematicians of all time. This year marks the 300th anniversary of his birth.

**Robin Wilson**starts off a four part series on Euler with a look at his life and work.Infinite series occupy a central and important place in mathematics.

**C. J. Sangwin**shows us how eighteenth-century mathematician Leonhard Euler solved one of the foremost infinite series problems of his day.